DataView dbf = new DataView(new DataTable("Table"));
String strConString = "Driver={Microsoft dBASE Driver (*.dbf)};DriverID=277;Dbq=путь к файлу;";
            System.Data.Odbc.OdbcConnection conn = new System.Data.Odbc.OdbcConnection(strConString);
            String strCommand = "SELECT Поле1, Поле2, Поле3 FROM Имя_Таблицы";
            System.Data.Odbc.OdbcDataAdapter dbfAdapter = new System.Data.Odbc.OdbcDataAdapter();
            dbfAdapter.SelectCommand = new System.Data.Odbc.OdbcCommand(strCommand, conn);

            conn.Open();
            GridView1.DataSource = dbf;
            dbfAdapter.Fill(dbf.Table);
            GridView1.DataBind();
            conn.Close();